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Get Knowledge Graph

lyzr_kg_get_graph
Read-onlyIdempotent

Retrieve the knowledge graph for a specified knowledge base using its ID. Optionally set a limit on nodes and edges returned.

Instructions

Fetch the knowledge graph for a knowledge base.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMax nodes/edges to return (default 50)
rag_idYesKnowledge base id
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The annotations already declare readOnlyHint, openWorldHint, and idempotentHint, providing a clear safety profile. The description does not add any behavioral context beyond that, such as return format, pagination, or error behavior, but it does not contradict the annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence with no filler words. It communicates the essential function efficiently and would fit well in an agent context.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple read-only fetch tool, the description and schema cover the basics, but there is no output schema and no explanation of the graph structure or return format. Additionally, the lack of differentiation from the Neo4j sibling tool leaves some ambiguity, making the description adequate but not complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, with both 'limit' and 'rag_id' having detailed descriptions. The description adds no extra meaning beyond what the schema already provides, so the baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb ('Fetch') and resource ('knowledge graph for a knowledge base'), clearly stating what the tool does. It is unambiguous about the operation, though it does not explicitly distinguish itself from the sibling tool lyzr_kg_ext_get_graph_neo4j.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives such as lyzr_kg_ext_get_graph_neo4j. The description does not offer context about preferred scenarios or exclusions, leaving the agent to infer usage solely from the tool name.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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